The ornamental design for a portion of a display with a transitionaluserinterface, as shown and described.
FIG. 1 is a face view of a first state in a sequence for a portion of a display with a transitional user interface, showing my new design;
FIG. 2 is a face view of a second state in the sequence thereof;
FIG. 3 is an enlarged face view of the first state thereof;
FIG. 4 is an enlarged face view of the second state thereof;
FIG. 5 is a face view of the first state for a second embodiment thereof;
FIG. 6 is a face view of the second state for the second embodiment thereof thereof;
FIG. 7 is an enlarged face view of the first state for the second embodiment thereof; and,
FIG. 8 is an enlarged face view of the second state for the second embodiment thereof.
Subject matter shown in broken lines is for the purpose of illustrating environmental structure and forms no part of the claimed design.
The appearance of the transitional user interface sequentially transitions between the images shown in FIGS. 1-2 and clarified in FIGS. 3-4. The appearance of the second embodiment thereof sequentially transitions between the images shown in FIGS. 5-6 and clarified in FIGS. 7-8. The process or period in which one image transitions to another image forms no part of the claimed design.